Geoquiz: what in the world have you learned?

Written by John Flinn. Photos compiled by Andrea Waguespack.

Test your knowledge of the world around you.

Florian Schulz/visionsofthewild.com

26of101

Answer 13:A circumnavigation of Earth via the poles is 26 to 42 miles shorter
(depending on which source you consult) than one via the equator. The
Earth is not a perfect sphere - technically it's an oblate spheroid, or
ellipsoid. That means it bulges at the equator, like a lot of us.

Florian Schulz/visionsofthewild.com

26of101

Answer 13:A circumnavigation of Earth via the poles is 26 to 42 miles shorter
(depending on which source you consult) than one via the equator. The
Earth is not a perfect sphere - technically it's an oblate spheroid, or
ellipsoid. That means it bulges at the equator, like a lot of us.